Hutton, 1989, Annals of the Rheumatic Diseases, 48, 958, 10.1136/ard.48.11.958
Altman, 1991, Arthritis and rheumatism, 34, 505, 10.1002/art.1780340502
Altman, 1986, Arthritis and rheumatism, 29, 1039, 10.1002/art.1780290816
Altman, 1990, Arthritis and rheumatism, 33, 1601, 10.1002/art.1780331101
Hannan, 2000, The Journal of Rheumatology, 27, 1513
Lawrence, 2008, Arthritis and rheumatism, 58, 26, 10.1002/art.23176
van Saase, 1989, Annals of the Rheumatic Diseases, 48, 271, 10.1136/ard.48.4.271
Oliveria, 1995, Arthritis and rheumatism, 38, 1134, 10.1002/art.1780380817
2007, Bailli  re's best practice & research. Clinical rheumatology, 21, 59e76
Zhang, 2002, American Journal of Epidemiology, 156, 1021, 10.1093/aje/kwf141
Kalichman, 2009, Rheumatology international, 29, 1143, 10.1007/s00296-008-0815-1
JAMSHIDI, 2008, The Journal of Rheumatology, 35, 1467
Zeng, 2008, Arthritis research & therapy, 10, R17, 10.1186/ar2368
Jordan, 2007, The Journal of Rheumatology, 34, 172
Fransen, 2011, 14, 113, 10.1111/j.1756-185X.2011.01608.x
Haq, 2011, 14, 122, 10.1111/j.1756-185X.2011.01615.x
Dagenais, 2009, Clinical orthopaedics and related research, 467, 623, 10.1007/s11999-008-0625-5
Arden, 2009, Arthritis and rheumatism, 60, 1052, 10.1002/art.24382
2009, The Journal of Rheumatology, 36, 809, 10.3899/jrheum.080677
Grotle, 2008, BMC musculoskeletal disorders [electronic resource], 9, 132, 10.1186/1471-2474-9-132
Puenpatom, 2009, Postgraduate Medical Journal, 121, 9, 10.3810/pgm.2009.11.2073
Leyland, 2012, Arthritis and rheumatism, 64, 2243, 10.1002/art.34415
Frey, 1996, The Journal of Rheumatology, 23, 716
Srikanth, 2005, Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society, 13, 769, 10.1016/j.joca.2005.04.014
Spector, 1997, Annals of the Rheumatic Diseases, 56, 432, 10.1136/ard.56.7.432
Cirillo, 2006, Arthritis and rheumatism, 54, 3194, 10.1002/art.22138
2009, Rheumatology, 48, 1160, 10.1093/rheumatology/kep194
Muraki, 2009, Arthritis and rheumatism, 61, 779, 10.1002/art.24514
2010, Arthritis care and research : the official journal of the Arthritis Health Professions Association, 62, 190, 10.1002/acr.20067
2011, Annals of the Rheumatic Diseases, 70, 1231, 10.1136/ard.2010.142323
Blagojevic, 2010, Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society, 18, 24, 10.1016/j.joca.2009.08.010
Slemenda, 1997, Annals of Internal Medicine, 127, 97, 10.7326/0003-4819-127-2-199707150-00001
Brandt, 1999, The Journal of Rheumatology, 26, 2431
Sharma, 2003, Annals of Internal Medicine, 138, 613, 10.7326/0003-4819-138-8-200304150-00006
Chaisson, 1999, Arthritis and rheumatism, 42, 33, 10.1002/1529-0131(199901)42:1<33::AID-ANR4>3.0.CO;2-I
Hadler, 1978, Arthritis and rheumatism, 21, 210, 10.1002/art.1780210206
Buckwalter, 1997, The American Journal of Sports Medicine, 25, 873, 10.1177/036354659702500624
Spector, 1996, Arthritis and rheumatism, 39, 988, 10.1002/art.1780390616
Tanamas, 2009, Arthritis and rheumatism, 61, 459, 10.1002/art.24336
2010, The Bone & Joint Journal, 92, 130
2007, Rheumatology, 46, 877, 10.1093/rheumatology/kem013
Penninx, 1996, Journal of psychosomatic research, 40, 521, 10.1016/0022-3999(95)00620-6
Hopman, 2009, Chronic diseases in Canada, 29, 108, 10.24095/hpcdp.29.3.03
Sharma, 2003, Arthritis and rheumatism, 48, 3359, 10.1002/art.11420
Riddle, 2011, Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society, 19, 1095, 10.1016/j.joca.2011.06.003
1996, The Journal of arthroplasty, 1, 34
1997, The Journal of arthroplasty, 2, 603
1998, The Journal of Bone and Joint Surgery, 80B, 63
Shields, 1999, Archives of physical medicine and rehabilitation, 80, 572, 10.1016/S0003-9993(99)90202-2
Jones, 2000, The Journal of Rheumatology, 27, 1745
